Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

78°F

26°C

Humidity 43%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index79°F (26°C)
Last update 03 Oct 09:10 AM PDT
Extended Forecast for

2 Miles NNE Portola Valley CA

Heat Advisory October 3, 11:00am until October 5, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Calm wind.

    Low: 66 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing and hot, with a high near 97. Light and variable wind.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 64. Calm wind.

    Low: 64 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Increasing clouds, with a low around 66. Calm wind.
Sunday
Cloudy through mid morning, then gradual clearing and hot, with a high near 97. Light and variable wind.
Sunday Night
Clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 95. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Portola Valley CA
 37.4°N 122.2°W (Elev. 397 ft)
7:36 am PDT Oct 3, 2026
9am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
 
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